import java.util.*;
public class Main {
    public static void main(String[] args) {

        String cost ="数学87分，物理76分，英语96分";
        Scanner scanner =new Scanner(cost);
        scanner.useDelimiter("[^0123456789.]+");
        double sum =0;
        int count =0;
                while(scanner.hasNext()){
                    try{double score = scanner.nextDouble();
                        count++;
                        sum = sum+score;
                        System.out.println(score);}

                    catch(InputMismatchException exp){
                        String t =scanner.next();
                    }}
                System.out.println("总分:"+sum+"分");
                System.out.println("平均分："+sum/count+"分");}




}